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Gladstone police told KMBC that they were called to the area on a report of a lifeless person in a vehicle.

Officers said they found a man who was severely beaten in an AT&T truck. He was rushed to a hospital, but later died. Police identified him as Kevin M. Mashburn, 58.

AT&T confirmed that Mashburn an employee and released the following statement:

"Today, we were saddened to learn of the death of one of our employees. The employee's family and friends are in our thoughts and prayers. AT&T is fully cooperating with authorities in their investigation."

Neighbors told KMBC's Peggy Breit that they heard a horn blasting for about 30 seconds and then heard it blast again.

A couple of men said they came out and saw the utility truck, but had no idea what was wrong. As they approached the truck, police began arriving. A police officer broke the window of the truck to get to the man because his doors were locked, and he was unresponsive.